/Engine/Source/Runtime/Engine/Classes/Materials/MaterialInterface.h
bool IsScalarParameterUsedAsAtlasPosition ( const FHashedMaterialParameterInfo & ParameterInfo, bool & OutValue, [TSoftObjectPtr](API\Runtime\CoreUObject\UObject\TSoftObjectPtr)< class [UCurveLinearColor](API\Runtime\Engine\Curves\UCurveLinearColor) > & Curve, [TSoftObjectPtr](API\Runtime\CoreUObject\UObject\TSoftObjectPtr)< class [UCurveLinearColorAtlas](API\Runtime\Engine\Curves\UCurveLinearColorAtlas) > & Atlas ) const